A681 Type F2 T60602 - ASTM A681-2024

Grade	A681 Type F2
USA UNS	T60602
AISI American Iron and Steel Institute	F2
Corresponding Standard	ASTM A681-2024 Tool Steels Alloy
Classification	Alloy Steel

A681 Type F2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	W	More
Minimum Value	1.2	0.1	0.1	-	-	0.2	3	Ni+Cu≤0.75
Maximum Value	1.4	0.5	0.5	0.03	0.03	0.4	4.5	Ni+Cu≤0.75

A681 Type F2 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
condition of delivery	Cold Drawing	BHN ≤262
condition of delivery	Annealing	BHN ≤235
specimen	Preheat at 649±14 ℃, heat at 843±5.6℃(controllable atmosphere) or 829℃(salt bath), hold for 5 to 15 min, brine cool. Temper at 204±5.6℃ once for 2 h	HRC ≥64

A681TypeF2 Corresponding Standards(Same grade name, different standards)

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